<template>
  <div class="todo-footer">
    <label>
      <input type="checkbox" v-model="checkedAll" />
    </label>
    <span>
      <span>已完成 {{ todoListStore.isDoneNum }}</span> / 全部
      {{ todoListStore.totalNum }}
    </span>
    <button
      class="btn btn-danger"
      v-show="todoListStore.isDoneNum"
      @click="todoListStore.delAllTodo()"
    >
      清除已完成任务
    </button>
  </div>
</template>

<script lang="ts">
export default {
  name: "Footer",
};
</script>

<script setup lang="ts">
import { computed } from "vue";
import { useTodoListStore } from "../../store/modules/todoList";

// 不要尝试解构，解构都会失去响应式
const todoListStore = useTodoListStore();

const checkedAll = computed({
  get() {
    return (
      todoListStore.isDoneNum === todoListStore.totalNum &&
      todoListStore.totalNum > 0
    );
  },
  set(val) {
    todoListStore.updateAllTodo(val);
  },
});
</script>

<style scoped>
/*footer*/
.todo-footer {
  height: 40px;
  line-height: 40px;
  padding-left: 6px;
  margin-top: 5px;
}

.todo-footer label {
  display: inline-block;
  margin-right: 20px;
  cursor: pointer;
}

.todo-footer label input {
  position: relative;
  top: -1px;
  vertical-align: middle;
  margin-right: 5px;
}

.todo-footer button {
  float: right;
  margin-top: 5px;
}
</style>
